What kind of incentives are possible in your average tech work environment? A raise? A bonus? Raises usually come with more responsibility. I'm not familiar with tech companies doing bonuses.

Money is the sledgehammer of incentives. Above a reasonable amount of pay, it's overkill and makes lots of collateral problems. The really effective incentives are status based and situational to the group dynamic

Hours of PTO?

"The reward for winning is the opportunity to play again"